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Finding the Fourth Proportional to 608,075.25, 912,260.51 and 187,351.11

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Solution

The fourth proportional to 608,075.25, 912,260.51 and 187,351.11 is: 281,072.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,075.25 : 912,260.51 = 187,351.11 : x
  2. Step 2: Convert to fraction form
    608,075.25/912,260.51 = 187,351.11/x
  3. Step 3: Cross multiply
    608,075.25x = 912,260.51 × 187,351.11
  4. Step 4: Simplify right side
    608,075.25x = 170,913,018,220.91
  5. Step 5: Solve for x
    x = 170,913,018,220.91/608,075.25
  6. Step 6: Final answer
    x = 281,072.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.